E.L. James, who confessed last week that she is “not a great writer,” is at the top of the bestsellers’ list with her erotic romance, Fifty Shades of Grey.

For the two weeks ending April 15:

1. Fifty Shades of Grey, E.L. James
(Vintage/Random House, $17.95 pa, 9780345803481)

2. The Affair, Lee Child
(Dell/Random House, $11.99 mm, 9780440246305)

3. Chasing Fire, Nora Roberts
(Penguin, $8.99 mm, 9780515150636)

4. The Postcard Killers, James Patterson and Liza Marklund
(Grand Central Publishing/Hachette, $10.99 mm, 9781455506637)

5. The Lucky One (movie-tie-in edition), Nicholas Sparks
(Grand Central/Hachette, $16.50 pa, 9781455508969)

6. I’ll Walk Alone, Mary Higgins Clark
(Pocket/Simon & Schuster, $9.99 mm, 9781451675511)

7. Now You See Her, James Patterson and Michael Ledwidge
(Grand Central/Hachette, $16.50 pa, 9780446574709)

8. Game of Thrones 4-Book Box Set, George R.R. Martin
(Bantam/Random Hous, $39.96 mm, 9780345529053)

9. The Lucky One (movie-tie-in edition), Nicholas Sparks
(Grand Central/Hachette, $8.99 mm, 9781455508976)

10. Zero Day, David Baldacci
(Grand Central/Hachette, $15.99 pa, 9781455518999)

11. Betrayal, Danielle Steel
(Delacorte/Random House, $34 cl, 9780385343190)

12. Calico Joe, John Grisham
(Doubleday, $28.95 cl, 9780385536073)

13. The Girl Who Kicked the Hornet’s Nest, Stieg Larsson
(Penguin, $18 pa, 9780143170112)

14. The Help, Kathryn Stockett
(Penguin, $18.50 pa, 9780425232200)

15. The Sixth Man, David Baldacci
(Grand Central/Hachette, $10.99 mm, 9780446573092)

16. A Game of Thrones, George R.R. Martin
(Bantam/Random House, $10.99 mm, 9780553573404)

17. Only Time Will Tell, Jeffrey Archer
(St. Martin’s Press/Raincoast, $11.99 mm, 9780312539566)

18. The Devil Colony, James Rollins
(HarperCollins Canada, $11.99 mm, 9780061785658)

19. The Accident, Linwood Barclay
(Seal Books/Random House, $11.99 mm, 9781400026395)

20. The Lady of the Rivers, Philippa Gregory
(Touchstone/S&S, $18.99 pa, 9781416563716)